Type-writing machine.



A. J. BRIGGS. TYPE WRITING MACHINE.

APPLICATION FILED SEPT. 19, I913.

Patented Apr. 6, 1915.

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TYPE WRITING MACHINE.

APPLICATION FILED SEPT. 19, 1913.

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INVENTEIR Patented Apr. 6, 1915.

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TYPE WRITING MACHINE.

APPLICATION FILED SEPT. 19. 1913.

Patented Apr. 6, 1915.

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ARTHUR J. BRIGGS, OF SYRACUSE, NET YORK, ASSIGNOR TO REL'IINGTON TYFEWRITER COMPANY, 01? ILION, NEW YORK, A CORPORATION OF NEW YORK.

TYPE-WRITING MACHINE.

Specification of Letters Patent.

Application filed September 19, 1913. Serial No. 790,583.

ally stated, is to provide line lock and mar-' gin stop mechanism which is simple in construction, inexpensive to manufacture, and

efficient in use.

To the above and other ends which will hereinafter appear, my invention consists in the features of construction, arrangements of parts, and combinations of devices set forth in the following description and particularly pointed out in the appended claims.

In the accompanying drawings in which like reference characters indicate corresponding parts in the various views, Figure 1 is a fragmentary, vertical fore and aft sectional view of one form of typewriting machine in which my invention is to be embodied. Fig. 2 is a detail fragmentary front elevation, with parts in section, of the space key and some of the associated parts. 3 is an enlarged detail transverse sectional view of the line lock stop and the rack bar on which it is mounted, the section being taken on the line wa2 in Fig. 4 and looking in the direction of the arrow at said line. Fig. 1 is an enlarged detail fragmentary rear elevation showing the line lock and margin stop mechanism and some of the associated parts. Fig. 5 is an enlarged detail end elevation of the same, with parts in section and parts broken away. Fig.6 is

a. view corresponding in part to Fig. 5 but as that disclosed in part in my earlier filed applications vbearing Serial Nos. 782,859;

786,107; and 786,108, filed respectively Ans gust 4th, 1913, and August 22nd, 1913.

The frame of the machine com rises side plates 1 united by a front cross pate 2 and by a type bar segment 3. Segmentally arranged upwardly and rearwardly striking type bars 4 are pivoted at 5 and each bar is provided in the present instance with three types 6. Each type bar is connected to an actuating link 7 which in turn is connected to a lever 8 pivoted at one end 9 to the frame of the machine and at its opposite end 10 to a key stem 11 provided with a finger 12. The key stems work through guide openings in a keyboard plate 13 which is secured to the frame of the machine.

A cylindrical platen 14 has its shaft 15 mounted in bearing openings in end plates 16 of a carriage, said end plates extending upwardly from a traverse or guide bar 17 which is substantially C-shaped in cross section and which, with the end plates 16 and tie-rod 16 constitute the carriage. The traverse or guide bar is so shaped as to provide race-ways 18 in which anti-friction balls or rollers 19 are received. The forward set of anti-friction rollers are likewise received in a grooved track or race-way 20 formed in a shift bar, rail or frame 21. A plate 22 is secured to this shift bar or frame and is grooved to profide a raceway 23 for the rear set of anti-friction balls or rollers.

The carriage is thus supported to travel from side to side of the machine and for case shifting movement with the shift rail, bar or frame. Parallel links 24 are pivoted at their forwarddends, as at 25, to the shift bar, Whereas the rear ends of these links are pivoted at 26 to the side plates 1 of the frame. The shift railis provided with depending arms 27 to which a'second set of parallel links 28 is pivoted at the forward ends thereof, as at 29. The rear ends of these links are pivoted, as at 30, to the side plates 1 of the frame. The links 28 are extended rearwardly beyond their pivots, as at 31, where they are united by a cross bar 32.

Suitable means, not shown, are employed to coact with the shiftable bar or frame 21 to edect a case shift movement thereof, together with the carriage carried thereby. The means which cooperate with the case shift bar or frame may be of the characterv shown and described in my application Serial No. 791,734, filed September 25th, 1913. The carriage is propelled in the direction of its feed, or from right to left, by a spring drum 3 hich has one end of a band 3% connected thereto, the opposite end of this band being connected to the guide bar 17 of the carriage.

The escapement mechanism, by which the carriage is controlled in its step-by-step letter feed movement, in the present instance comprises a feed rack 35 which is secured to the traverse bar by screws 36. The lower edge of the rack bar 35 is provided with teeth 37 with which feed dogs 38 and 39 cooperate to control the step-by-step feed movement of the carriage. The feed dog 38 is formed as a part of a bar or carrier 40, which is pivoted at 41 to a dog rocker or carrier 42. The lower end of the bar 40 carries a laterally projecting pin 43 to which a contractile spring 44 is connected at one end. The opposite end of this spring is connected to a pin 45 which projects from a carrier 46 for the feed dog 39. This carrier is pivoted at 47 to the dog rocker and is limited in its movement to normal position relatively to the dog rocker by a stop face 48 with which the carrier 46 cotiperates. The force of the spring 44 therefore is exerted to return the dog carrier 40 to its normal position and also to normally maintain the dog carrier 46 fixed relatively to the dog rocker. The feed dog 38 is in the nature of a stepping dog, being limited in its movement around the pivot 41 by stops 49 and 50. The feed dog 39 acts as a fixed dog, being normally engaged by the teeth 37 of the feed rack and normally maintaining a fixed relation to the dog rocker. However, during the return movement of the carriage to the right the feed dog 39 will be forced out of the path of the teeth 37 against the power of the spring-44. A pin 51 extends rearwardly from the dog carrier 46 for cooperation with a bail (not shown) which is controlled by a finger piece on the carriage to effect a downward movementsof the feed dog 39 out of engagement with the feed rack in order to release the carriage.

The dog rocker 42 is provided with a trunnion-like pivot 52 at one end thereof, such pivot being received in a bearing open ing in a bracket arm 53. The op osite end of the dog rocker is provided wit 1 a corresponding trunnion-like pivot 54 received in a bearing opening in a screw 55 which is threaded into a tapped opening in a bracket arm 56. A lock nut 57 cotiperates with the screw 55 and with the bracket arm 56 to retain the screw in its adjusted position. The bracket arms 53 and56 are formed as parts of a bracket plate 58 which is secured to a 1 part of the shift bar or rail 21 by screws 59 (see Figs. 4 and 6). This bracket plate is also provided with a depending arm 60 to which one end of a contractile spring 61 is is connected, as at 62, to a depending arm 63 of the dog rocker. This spring is exerted to connected. The opposite end of this spring 1 normally maintain the dog rocker in the position shown in Fig. 6. The depending arm 63 is tapped toreceivea set screw 64, the inner end of which is adapted to bear against a stop 65 formed as an angular projection extending from a bracket arm 66.

The screw stop 64 thus co-acts with the stop 6.5 to limit the return movement of the dog rocker to normal position.

Motion is transmitted to the dog rocker by an actuation of the printing keys 12 in the following manner :The depending arm 63 of the dog rocker has an angular projection 67 extending therefrom, as shown in Fig. 4. This projection extends into the pathof a centrally located, vertically disposed, plate-like, actuating member, designated as a whole by the reference numeral 68. The rear step-likeface or edge 69-7O of this member is adapted to co-act with the projection 67 to transmit movement thereto on the actuation of any of the finger keys 12. Thus, the plate like actuating member 68 has a forwardly extending arm 71 which is bent, as at 72, to form a foot piece by which it is riveted, as at 73, to a segmental universal bar 74. The universal bar is arranged above the pivots of the type bars to be acted upon by the front edges of the latter in their movements to the printing position. The universal bar is provided near the ends thereof with rearwardly projectin ears '7 5 to which upright bracket arms 76 are riveted, as at 77. The bracket arms 76 are pivoted at 78 to upright links or arms 79 and 80. The lower ends of these links are fixed to and united by a rock-shaft 81 received at its ends in bearings in ears 82 formed on a sheet metal bracket plate 83, which latter is secured to the type bar segment by screws 84. A single centrally disposed link 85 is pivoted at its upper end, as at 86, to the'member'68, the lower end of said link being pivoted at 87 to an ear 88 formed on the bracket plate 83. It will thus be understood that the universal bar and the member 68, which is rigidly connected thereto, are supported on the frame of the machine by the links 79, 80 and 85 for bodily movement fore and aft of the machine under control of the type bars, the latter co-acting near the heels thereof directly with the forward edge of the universal bar in the movement of the bars to the printing position. A depression of a finger key 12 is effective, therefore, to move the corresponding type bar to the printing position, and before it reaches such position it will cotiperate near the heel thereof with the forward edge of the universal bar, moving the latter, together with the member 68, rearwardly during the last part of the printing movement of the type bar. This rearward movement 69 into contact with the projection 67 mes-soil on the dog rocker, thus moving the latter around its pivotal center. The dog rocker is returned to normal position under the action of its spring 61 when pressure on the finger key is released. The universal bar and member 68 connected therewith will also be returned to their normal position by a contractile spring 89, as wiil hereinafter more clearly appear.

It will be understood that the feed rack 35, the dog rocker 42 and the parts carried thereby are connected to the shift rail to move therewith during the case shifting movements of said rail, whereas the universal bar and the member 68 connected therewith are mounted on the frame of the machine and do not participate in the case shifting movement of the shift rail. It is for this reason that the engaging face 6970 of the member 68 is divided into two step-like faces, one being the face 69 and the other the face 70. The face 69 is adapted to co-act with the projection 67 on the dog rocker when the laten is in its lowermost position or is shifted to the first position from the normal, whereas the face 70 is adapted to co-actwith the dog rocker when the platen receives a shift movement to the greatest extent from the normal position.

I have provided means for transmitting movement to a ribbon vibrator from the member 68 at each operation of a type bar. This construction is as follows :A ribbon vibrator 90 is suitably guided by a type guide 91 for vertical movement to interpose the ribbon a in the path of the types as they approach the printing position. The lower end of the ribbon vibrator is pivoted at 92 to an angular lever, designated as a whole by the reference numeral 93. The rear end of a substantially horizontally disposed arm 9-1 of this lever is pivoted at 95 in a recess or slot formed in the shift bar 21. A downwardly and rearwardly extending arm 96 of this lever is pivoted at 97 to a rearwardly extending link 98. The rear end of this link is pivoted at 99 to the upper end of an actuating lever 100 of the first order. This lever is formed with a trunnion-like projection or hub 101 extending from one side thereof and apertured at its end to receive a screw pivot 102 threaded into a tapped opening in an ear 103 formed on the bracket plate 58 of the dog rocker. A look nut 10; is carried by the screw to hold it in the position to which it may be adjusted. Projecting from the opposite side of the actuating lever 100 is a trunnion-like projection which is reduced at one end, as indicated at 105, to provide a pivot which is received in a hearing opening in the bracket arm or ear 66. A pin 106 is fixed to the projection 101 of the lever and has one end of a contractile spring 89 connected thereto. The lower end of this spring is connected to an arm 10'? which is machine.

riveted, as at 108, to the bracket plate 58. The force of this spring 89 is exerted to normally maintain the upper end of the lever 100 in the position shown in Fig. 5, and approximately the same as that shown in Fig. 6, thus Withdrawing the ribbon vibrator to its normal position. The lower end-of the lever 100 is provided with a laterally projecting pin 109 which extends through a slot 110 in the actuating member 68. The formation of this slot is such that it affords a movement of the pin 109 in the slot during the case shift movements of the platen, although the pin couples the lever 100 and the member 68 together for movement fore and aft of the It will be understood, therefore, that any movement fore and aft of the machine transmitted to the member 68 will cause a corresponding movement of the pin 109. This movement will be transmitted to the lever 100, to the link 98, angle lever 93 and to the ribbon vibrator 90. The power of the spring 89exerted on the lever 100 is effective not only to return the ribbon vibrator to normal position but also to return the member 68 and the universal bar to normal position.

The line lock mechanism and margin stop 'mechanismsof my present invention co-act -with parts of the constructlon hereinbefore described to lock the machine against operation when an end of a line is reached and to limit the carriage in its return movement to the right.

The line lock mechanism comprises a sheet metal line lock stop 111 which, as best shown in Fig. 3, partly surrounds the feed rack The body portion of this stop is formed with an upwardly projecting ear 11:2 which is received in a cut-out 118 in one side of an engaging pawl, designated as a whole by the reference numeral 114-. The pawl is pivoted to the line lock stop, as at 115, and is formed with a finger piece 116. The opposite end of the pawl is formed with a downwardly extending engaging nose 117 which is adapted to engage in the interdental spaces 118 between square teeth 119 formed on the upper edge of the feed rack or bar 35 so that the feed'rack, with its teeth 37, not only constitutes a feed rack for the carriage but also a supporting bar for the line lock stop provided with a holding rack 119 thereon by which the line lock stop may be held in the position to which it is adjusted along the rack bar. in expansion s rin .120 is inter osed between the finger piece 116 of the pawl and the body portion of the step 111. A depending ear me on the pawl 11 overlaps a side of the rack bar 35 and prevents a removal ofthe stop from the bar except by sliding the stop longitudinally of the bar and off an end thereof. Projecting rearwardly from the line lock stop at the lower edge thereof are two stops or contact faces 121, 122, which extend rearwardly difi'erent distances, as will be seen from an inspection of Fig. 3. The right-hand ends of these stops, as the parts are viewed in Fig. 4, form abrupt faces which extend fore and aft of the machine, the stops being beveled to the left from the crown of each stop as the parts are shown in Fig. 4. The edge 123 of the line lock stop (see Fig. 4) also constitutes a contact or actuating face, as will hereinafter more clearly appear. A locking rod or rock shaft 124 is mounted at one end in a bearing 125 formed as a part of a bracket 126.secured to the shift bar or frame by screws 127.

' The opposite end portion of the locking rod projects through a bearing opening in the bracket arm 53. This rod is free to move longitudinally a limited distance in its bearings, as well as to turn therein on the longitudinal axis of said rod. A collar 128 is fixed tothe locking rod by a pin 129 and has an upwardly projecting crank arm, contact or actuating member 130 extending therefrom. This arm or contact device normally extends into the path of the contact edge 123 on the line lock stop, as shown in Fig. 5. A spring 131 surrounds the locking rod and is connected at one end, as at 132, to the bracket 126, the opposite end of said spring being connected to a pin 133 projecting from the locking bar. The power of this spring is exerted to rotate the locking rod and also to move it to the left, as the parts appear in Fig. 4, and to maintain it and the parts connected therewith in the normal po-' sition with the arm or contact device 130 in the path of the edge 123 of the line lock stop. From an inspection of Figs. 4 and 6, it will be understood that the locking bar or rod in its normal position is withdrawn from the path of the upper end of the actuating lever 100. When, however, said locking rod is moved to the right, as the parts appear in Fig. 4, the reduced end 124 of said rod will be interposed in the path of the actuating lever 100 to lock it against movement, and also to lock the parts which control said lever, and which it controls. Thus, it will be understood that when the carriage travels from right to left, and the edge 123 of the line lock stop engages the arm130, the carriage is effective to move the locking rod 124 to the left, or to the right as the parts appear in Fig. 4, thus intel-posing the end 124 of the locking rod in the path of the lever 100, and at this time the machine is locked out of operation. A printing movement of a type bar will there- -"ore be prevented by the universal bar,

which is locked at this time through the intermediate connections between the lever 100 and the universal bar. The ribbon vibrator will also be locked and no movement can be a pin 135 formed as apart of a releasing crank arm 136 projecting from a rod or rock-shaft 137. The shaft 137 is arranged in a line parallel with the locking rod 124 and is supported in bearings 138 which project from and form part of a bracket plate 139, the latter being secured by screws 140 to the shift bar, as best shown in Fig. 5.

The right-hand end of the shaft 137 is bent" forwardly to provide a crank arm which constitutes a finger piece 141 by which the shaft may be rocked. It will be observed that the finger-piece 141, the shaft 137, crank arm 136 and projection 135 extending therefrom are all formed from one piece of wire. Should the operator desire to release the line lock it is merely necessary to depress the finger piece 141. The effect of this is to rock the shaft 137, thereby turn-= ing the' arm or pin 134 rearwardly and causing a corresponding turning movement of the locking rod 124. This is effective to move the. arm 130 out of engagement with the edge 123 of the line lock stop and as soon as this disengagement is effected the spring 131 will return the. locking rod to the line look after its second locking operation it is merely necessary to again depress the finger piece or release key 141 when the arm 130 will be moved out of engagement with the contact face 121 and the spring 131 will again be effective to move the locking rod to the releasing position and to move the arm 130 away rom and clear the previously engaged stop face 121. Should the operator continue writing until the third line lock contact face 122 engages the arm 130 and effects a locking of the machine for the third time, no further writing can take place because the release key 141 is inefective to release the line lock mechanism from the control of the stop 122. This is rearwardly farther than the. stop 121 and the stop face 123, and the release key is ineffective to move the arm 130 far enough to clear the stop face 122. This stop face 122 is therefore a final line lock stop face and an operator cannot write beyond the position where it becomes effective to lock the line lock mechanism.

From an inspection ofFig. 5 it will be seen that a pin 142 is fixed to the locking rod 124 and projects therefrom to the right where it overlies the bracket 126. This pin, coiiperating with the bracket 126, is efi'ective to limit the return movement of the locking rod both in its longitudinal movement and in its rotative movement to normal position.

I have provided means for sounding an alarm previous to the operation of the line lock mechanism. The alarm mechanism comprises a trip 143 which is pivoted at 144 to a bracket plate 145 secured by screws 146 to the shift bar or frame 21. This trip has anenlarged depending portion 147 which extends to one side ofthe pivot 144 and constitutes a weighted portion to return the trip to and normally maintain it in the position shown in Fig. 4. The depending portion carries a laterally projecting pin 148 which cooperates with an arm 149 projecting from .and constituting an extension of one of the two bearing arms of a yoke-like member 150 which is pivoted at 151 to the bracket 145. A spring 152 surrounds the pivot 151 and is connected at one end 153 to the bracket and at its opposite end 154 to the yoke. The power of this spring is thus exerted to turn the yoke to the position shown in Fig. 4 where it is limited in its movement by a pin 155 which extends forwardly from the front face. of the bracket 145. A spring arm 156 is connected by screws 157 to the yoke-like member 150, the free end of the spring carrying a hammer head 158. The hammer head is adapted to vibrate against a bell 159 secured at 160 to the bracket 145. The construction is such that the trip 143 extends into the path of a pin 161 which projects forwardly from the line lock stop in the movement of the carriage from right to left. During such movement the pin is effective to turn the trip 143, thus turning the arm 149 to the right against the power of the spring 152. When the pin 161 passes the trip the latter is freed, enabling the spring 152 to return the arm 149 into contact with its arresting stop 155. The sudden arrest of the arm 149 and the yoke 150, which forms a part thereof is effective to cause a vibration of the hammer head 158 and cause the latter to strike the bell and thus sound the alarm. During the return movement of the carriage the pin 161 co-acts with the rounded face 163 of the trip, causing the latter to be moved without actuating the arm 149. As

soon as the pin 161 passes the trip the weighted portion 147 of the latter is effective. to return the trip to its normal position shown in Fig. 4.

The space key 164 of the machine is connected to control the escapement mechanism through ,an independentconnection and is locked against actuation by the line lock mechanism in the following manner :The space key 164 is provided with angular sheet metal brackets 165 secured thereto by screws 166. The depending arms of the sheet metal brackets are connected by screws 167 to two arms 168, which latter are connected at their'lower ends by a cross bar 169 formed with a depending arm 170. This last mentioned arm is provided with a horizontally disposed slot 171 through which a pin 172 extends. This pin is carried by a crank arm 173 formed on a collar 174 which is fixed by a pin 175 to a rock shaft 176. The rock shaft 176 extends fore and aft of the machine, the forward end thereof being received in a bearing opening in the cross plate 2 of the frame, whereas the rear end portion of the shaft extends through a bearing opening in the type bar segment 3. Each arm 168 has a rearwardly projecting ear 177 formed thereon, and to which a link 178 is pivoted at 179. The links 178 are united by an integral cross plate 180 to which is secured, by any suitable means, a pad 181 of felt, which constitutes a contact surface adapted to bear against the underside of the keyboard plate 13 and limit the return movement to normal position of the links 178 and the parts connected therewith. The rear ends of the links 178 are pivoted at'182 to ears 183 formed on the supporting plate 184 secured to the frame of the machine. The links 178 and crank arm 173 thus constitute means for support mg and guiding the space key. A contractile spring 185 is connected at its lower end to the crank arm 173 and at its upper end to a pin 186 which projects rearwardly from the front cross plate 2 of the frame. The force of this spring is exerted to return the space key or bar and the parts controlled thereby to normal position. A collar 187 is fixedly secured to the rock shaft 176 by a pin 188 and prevents a rearward longitudinal movement of the shaft in its bear.- ings, whereas the collar 174 prevents a forward longitudinal movement of the rock shaft. A crank arm 189 is formed as a part of a collar 190, the latter being fixedly secured on the rearend of the rock shaft 17 6. From an inspection of Fig. 5, it will be seen that the link or arm 80 which supports and guides the universal bar is provided with a rearwardly extending arm 191 arranged beneath the crank arm 189. The efi'ect, therefore, of a depression of the space key 164 is to rock the shaft 176 and transmit a downward movement to the crank arm 189' carried thereby. This results in effecting a downward movement of the arm 191 and a rocking of the shaft 81 which connects the links or arms 79 and 80. This movement is transmitted to the universal bar and actuating member 68. The result, therefore, is the same as that effected by an actuation of the universal bar-through an operation of the printing key, the escapement mechanism and the ribbon vibrator being controlled in both cases by the operation of the member 6b in the manner described. It will be understood, therefore, that when the member 68 is locked against actuation, by the line lock mechanism preventing an operation of the lever 100, the space key will be ineffective to actuate the escapement mechanism and the ribbon vibrator; and that the line lock mechanism is effective to control the space key although the latter effects an operation of the escapement mechanism by means which are controlled independently of the operation of a printing key.

In order to arrest the carriage in its return movement to the right, I have provided a margin stop 192 which is similar in all respects to the-line lock stop 111 except that the margin stop is devoid of stop faces corresponding to the stop faces 121, 122 on the line lock stop and is devoid of a pin corresponding to the pin 161. Like reference numerals will therefore be employed to designate corresponding parts of the two stops. The margin stop may be adjusted along the feed rack and secured in its adjusted position in the same manner as has been described in connection with the line lock stop. When the carriage reaches the limit of its movement from left to right the lower engaging face. 193 on the margin stop cooperates with a stop face 194 formed by an edge of the dog rocker 42. The cooperation of the margin stop with the dog rocker is effective to arrest the carriage in its movement to the right.

From the foregoing description it will be understood that the line lock and margin stop 'mechanism'in itself is simple in construction, involving in addition to the parts otherwise necessary in the machine, the stops 111 and 192, the locking rod 124 and the release member 137. It will also be understood that these parts are inexpensive to manufacture; that most of the parts may be made of sheet metal or wire stock; and that the construction, although simple and involving but few parts, is efficient in use. It will also be understood that the escapement mechanism as a. whole is shiftable with the carriage in the case shifting movements of the latter, although the actuating member carriage in its case shifting movements in order to maintaina cooperative relation between the parts, although. the line locking member 124 is operative in any case position of the carriage on the actuating lever 100 to lock the machine against actuation.

Moreover, the line lock mechanism is carried in part (1.11) by the shiftable carriage and in part (124) by the shift rail therefor, and the line lock releasing member 137 is also carried by the shift rail and partakes with the rest of the line lock mechanism in the case shifting movements of the carriage. The margin stop mechanism is likewise carried in part (192) by the carriage and in part (194) by the shift rail. It will be observed that the part 130 of the line lock mechanism constitutes a member which is movable longitudinally of the shift rail to effect a locking operation and is movable fraliiisvers'ely of the shift rail to release the While I have described 111 considerable detail one form of line lock and margin stop mechanism and one form of typewriting machine in which the mechanism may be embodied, it should be understood that the mechanism of my invention may be embodied in other forms of typewriting machine and that various changes may be made in the construction without departing from the spirit and scope of my invention.

What I claim as new and desire to secure by Letters Patent, is

1. In a typewriting machin e,'the combination of a carriage; a feed rack therefor; feed dogs which co-act with said. feed rack; and line lock and margin stop mechanism comprising a holding rack formed on the upper edge of said feed rack, line lock and margin stops carried by said feedirack and each provided with a detent for engaging said holding rack to hold the stop in the po-' sition to which it may be adjusted along the'lfeed rack, and a dog rocker with which the. margin stop co-acts to arrest the carriage.

2. In a typewriting machine, the combinationof a carriage; a feed rack therefor; and line lock and -ma.rgin stop mechanism comprising line lock and margin stops carried by said feed rack, a movable line lock device with which said line lock stop co-acts, and a feed dog carrier with which said margin stop co-acts.

was

3. In a typewriting machine, the combination of a carriage; a feed rack therefor fixed to said carriage; and line lock and margin stop mechanism comprising line lock and margin stops carried by said feed rack, a movable line lock device with which said line lock stop directly co-ac'ts, a spring for moving said locking device to inoperative position, and hand actuated means operable at will for moving said movable line locking device out of engagement with said line lock stop and thus release the line lock device and enable it to return to normal position under the power of its spring.

4. In a typewriting machine, the combination of a shift rail; a carriage shiftable with said shift rail; a feed rack carried by the carriage; and line lock and margin stop mechanism comprising line lock and margin stops carried by said feed rack, and cooperating devices carried by said shift rail.

5. In a typewriting machine, the combination of a shift rail, a carriage shiftable with said shift rail, a feed dog carrier carried by the shift rail, and a margin stop carried by the carriage and cooperating with said feed dog carrier to arrest the carriage.

6. In a typewriting machine, the combination of a shift rail; a carriage shiftable with said shift rail; line lock and alarm mechanismcarried in part by said carriage and in part by said. shift rail, said line lock mechanism comprising a locking bolt and a line lock stop co-acting directly therewith;-

and a hand actuated device operable at will directly on said bolt to release it, said hand actuated device being carried by said shift rail.

7. In a typewriting machine, the combination of a carriage, a shift rail for the car riage, a ribbon vibrator, a dog rocker can ried by said shift rail, actuating means for the dog rocker and vibrator, actuating connections from said actuating means to said vibrator and which connections shift with the shift rail, line lock mechanism carried in part by the shift rail and cooperative with said connections to the vibrator to lock them and thus prevent an actuation of the dog rocker, and hand actuated means carried wholly by said shift rail and operableat will to release said line lock mechanism.

8. In a typewriting machine, the combination of a shift rail; a carriage shiftable with said shift rail; line lock mechanism carried in part by said shift rail and in part by the carriage and comprising a member carried by the shift rail and movable longitudinally of the shift rail to effect a line locking operation and movable transversely of the shift rail to release the lock ;,and hand actuated means carried by the shift rail for moving said member transversely of the shift rail.

9. In a typewriting machine, the combination of a shift rail; a carriage shiftable with said shift rail; and line lock mechanism comprising a line lock stop carried by the carriage, a cooperating stop member, a longitudinally and pivotally movable lockin rod carried by said shift rail and carrylng saidcooperative stop, said locking rod being movable longitudinally in the direc-- tion of the travel of the carriage and into the path of the part to be locked, and a hand actuated device carried by said shift rail and operative directly on said locking rod for turning it to move the stop thereon out of cooperation with the stop on the carriage and thus release the line lock mechanism.

10. Ina typewriting machine, the combination of a carriage; and line lock mechanism comprising a rotative and longitudinally movable line locking shaft having two crank arms one of which constitutes a releasing arm and the other an actuating stop, an end of said shaft being interposed in the path of a movable part to lock the machine, a stop on the carriage which co-acts with said actuating arm to move the shaft longitudinally, and means cooperating with the releasing arm to turn the shaft and thus effeet a release of the line lock mechanism.

11. In a typewriting machine, the combination of a shift rail; a carriage shiftable with said shift rail; and line lock mechanism comprising a rotative and longitudinally movable line locking shaft carried by said shift rail and having two crankarms one of which constitutes a releasing arm and the other an actuating stop, an end of said shaft being interposed in the path of a movable part to lock the machine, a stop on the carriage which co-acts with said actuating arm to move the shaft longitudinally, and hand actuated means carried by said shift rail and cooperating with the releasing arm to turn the shaft and thus effect a release of the line lock mechanism.

12. In a typewriting machine. the combi nation of a carriage; and line lock mechanism comprising a rotative and longitudinally movable line locking shaft having two crank arms one of which constitutes a releasmg arm and-the other an actuating stop, the end of said shaft being interposed in the path of a movable part to lock the machine, a stop on the carriage which co-acts with said actuating arm to move the shaft longitudinally, and a rock shaft bent at its ends to provide two crank arms one of which 00- operates with said releasing arm to turn the first mentionedshaft and release the line lock and the other of which forms a finger piece.

13. In a typewriting machine, the combi- "nation of a shift rail; a carriage shiftable with said shift rail; and line lock mechanism comprising a rotative and longitudinally movable line locking shaft carried by said shift rail and having two crank arms one of which constitutes a releasing arm and the other an actuating stop, an end of said shaft being interposed in the path of a movable part to lock the machine, a stop on the carriage which'co-acts with said actuating arm to move the shaft longitudinally,'and a rock shaft carried by said shift rail and bent at its ends to provide two crank arms one of which coiiperates with said releasing arm to turn the first mentioned shaft and release the line lock and the other of which forms a finger piece.

14. In a typewriting machine, the combination of a carriage; and line lock mecha nism comprising tiv0 shafts arranged in parallel lines, one of said shafts being movable longitudinally in its bearings as well as rotatively mounted and the other being rotative and hand controlled and cooperative with the first mentioned shaft to turn it and thus release the line lock, and means on the carriage for moving the first mentioned shaft longitudinally to effect a line locking operation.

15. In .a typewriting machine, the combination of a carriage mounted for case shifting movement, escapement mechanism including a dog rocker shiftable with the carriage,-a series of segmentally arranged type bars, a curved universal bar acted upon di rectly by said type bars, an actuating member fixedly connected to said universal bar and operative directly on said dog'rocker irrespective of the case position to Whichthe carriage may be shifted, and means operative directly on said actuating member to lock it and the universal bar against actuation when the carriage reaches the end of a line.

16. In a typewriting machine, the combination of a carriage mounted for case shifting movement, escapement mechanism shiftable as a Whole with the carriage, an actuating member carried by the frame of the machine and fixed against case shifting movement with the carriage and cooperative directly with a member of the escapement mechanism in any case position to which the carriage may be shifted, and line lock mechanism including a locking member operatively cooperative with said actuating member when an end of a line is reached to lock the actuating member against operation and thus prevent said actuating member from operating on the cooperating escapement member.

17. In a typewriting machine, the combination of a carriage mounted for said shifting movement, escapement mechanism shiftab e with the carriage, an actuating member carried by the frame of the machine and fixed against case shifting movement with the carriage and cooperative directly with a member of the escapement mechanism in any case position to which the carriage may be shifted, and line lock mechanism including a locking member shiftable with the carriage in its case shifting movements and operatively cooperative with said actuating member when an end of a line is reached to lock the actuating member against operation and thus prevent said actuating memher from operating on the cooperating escapement member, said line lock mechanism also including a line lock stop carried by the carriage and cooperative directly with said line lock member.-

18. In a typewriting machine, the combi a shifting movement of the lever with the carriage independently of the actuating member; and line lock mechanism including a locking bolt which is carried by the shift rail and is mounted for endwise movement in the direction of the travel of the carriage and into the path of said actuating,

lever.

19. In a typewriting machine, the combination of a.carriage; a shift rail for said carriage; an actuating member carried by the frame of the machine; an actuating lever shiftable with the shift rail; a pin and slot connection between said actuating member and lever and which causes the two to move I together in one direction but affords a shift ing movement of the lever with the carriage independently of the actuating member; escapement mechanism shiftable with the carriage and including a member which is disconnected from but is operated on directly by said actuating member; and line lock mechanism includin a locking bolt which is carried by the shift rail and is mounted for endwise movement in the direction of the travel of the carriage and into the path of said actuating lever.

20. In a typewriting machine, the combiwith the carriage and including a member s,

which is disconnected from but'is operated on directly by said actuating member, and

'115 nation of a carriage; a shift rail for said I line lock mechanism including a locking Signed at Syracuse, in the county of bolt which is carried by the shift rail and Onondago, and State of New York this 17th is mounted for endWise movement in the day of September, A. D. 1913.

direction of the travel of the carriage and into ARTHUR J. BRIGGS. 5 the path of said actuating lever; and a line Witnesses:

lock contact-device carried by the carriage E. S. BOYNTON.

and operative directly on said locking bolt. W. H. EBELHOVE. 

